* {
    box-sizing: border-box;
  }
  html body {
    color: #333;
    font-family: PingFangSC;
    background-color: #fff;
    font-size: 16px;  // 指定字体的默认大小
  }
  
  html,
  body,
  #root {
    height: 100%;
  }
  
  body,
  h1,
  h3,
  h2,
  h4,
  h5,
  h6
  p {
    margin: 0;
    padding: 0;
  }
  
  button {
    display: block;
    outline: 0 none;
    padding: 0;
    border-radius: 8px;
    -webkit-appearance: none;
    box-sizing: border-box;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
    white-space: nowrap;
    color: #000;
    background-color: #fff;
    outline: none;
    border: 0;
    
  }
  
  input {
    display: block;
    margin: 0;
    padding: 0;
    line-height: inherit;
    text-align: left;
    background-color: transparent;
    border: 0;
    resize: none;
    color: #333;
    outline: none;
  }
  
  textarea {
    line-height: 6.8vw;
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    padding: 0;
    border: 0;
    background-color: transparent;
    overflow: visible;
    display: block;
    resize: none;
    word-break: break-word;
    word-wrap: break-word;
  }
  
  /* 字体图标 */
  /* .icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
  }
   */
  /* Navbar icon */
  /* .am-navbar-left {
    font-size: 20px;
    color: #999;
  }
   */